// wndWatch.cpp : Defines the exported functions for the DLL application.
//

#include "stdafx.h"
#include "wndWatch.h"
#include <windows.h>

extern HHOOK hhook;
extern HMODULE module;
extern HWND ghwnd;

#define WW_CREATE WM_USER+100
#define WW_DESTORY WM_USER+101
static UINT WM_SHELLHOOKMESSAGE;


LRESULT  CALLBACK HookProc(int code,WPARAM wparam,LPARAM lparam)
{
	switch (code)
	{
		case HSHELL_WINDOWCREATED:
			PostMessageA(ghwnd,WW_CREATE,wparam,lparam);
			break;
		case HSHELL_WINDOWDESTROYED:
			PostMessageA(ghwnd,WW_DESTORY,wparam,lparam);
			break;
	}
	return CallNextHookEx(hhook,code,wparam,lparam);
}

BOOL WINAPI Start(HWND hwnd) 
{
	ghwnd =	hwnd;
	hhook=::SetWindowsHookEx(WH_SHELL,HookProc,module,0);
	return  (hhook!=NULL);
}

void WINAPI Stop()
{
	::UnhookWindowsHookEx (hhook);
}

#ifndef DYNAMIC
#define DYNAMIC
extern "C" __declspec(dllexport) BOOL WINAPI Start(HWND);
extern "C" __declspec(dllexport) void WINAPI Stop();
#endif

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